TryBuildCalcConstruction Calculators
TryBuildCalc provides free online construction calculators for site quantity estimates.TryBuildCalc provides free online construction calculators for material estimation, quantity takeoffs, dimensions, and building measurements. From concrete, brick, block, plaster, and tile calculations to rebar, excavation, staircase, and roofing estimates, these tools help homeowners, contractors, engineers, and students plan projects with greater accuracy and confidence.
Popular Calculators
Quick access to commonly used estimating tools.
🚜Sitework / Earthwork Calculators9 calculators›
Plot Area CalculatorCalculate land area, perimeter, conversions, and cost.→Topsoil Stripping CalculatorEstimate topsoil volume, reuse split, and stockpile footprint.→Land Leveling CalculatorCalculate cut, fill, trips, days, and leveling cost.→Dewatering CalculatorEstimate dewatering volume, seepage rate, and pump sizing.→Excavation CalculatorsExplore leveling, rectangular, pit, trench, and backfill calculators.Hub5Rectangular Excavation CalculatorEstimate excavation volume, soil, loads, and cost.→Pit Excavation CalculatorCalculate sloped pit volume, soil, loads, and cost.→Trench Excavation CalculatorCalculate trench excavation for pipelines, loads, and cost.→Backfill CalculatorEstimate backfill, compaction, truckloads, and cost.→Plinth Filling / Floor Base CalculatorEstimate plinth fill, PCC bed, and DPM quantity.→
🏗️Structural Calculators21 calculators›
Concrete CalculatorsExplore slab, beam, column, and footing calculators.Hub4Steel CalculatorsExplore slab, beam, column, and footing steel calculators.Hub4Concrete Footing CalculatorEstimate concrete volume, cement, sand, and aggregate for footings.→Footing Steel CalculatorCalculate footing main bars, distribution bars, steel weight, and procurement.→Raft / Mat Foundation CalculatorEstimate raft foundation concrete, mesh steel, and shuttering.→Pile Foundation CalculatorEstimate pile foundation concrete and reinforcement quantity.→Grade Beam / Plinth Beam CalculatorEstimate grade beam concrete, steel, and shuttering quantity.→Concrete Column CalculatorEstimate concrete volume, cement, sand, and aggregate for columns.→Column Steel CalculatorCalculate column vertical bars, lateral ties, steel weight, and procurement.→Concrete Beam CalculatorEstimate concrete volume, cement, sand, and aggregate for beams.→Beam Steel CalculatorCalculate beam main bars, top bars, stirrups, steel weight, and procurement.→Beam Load CalculatorCalculate beam load and bending moment for UDL and point loads.→Lintel CalculatorEstimate lintel concrete, steel, shuttering, and bearing length.→Concrete Slab CalculatorEstimate concrete volume, cement, sand, and aggregate for slabs.→Slab Steel CalculatorCalculate slab reinforcement bars, steel weight, wastage, and procurement.→Staircase CalculatorCalculate steps, riser height, and tread depth.→Staircase Concrete & Steel CalculatorEstimate staircase concrete, steel, and shuttering quantity.→Beam and Block CalculatorEstimate beams, blocks, DPM, and insulation for suspended floors.→Shuttering / Formwork CalculatorEstimate shuttering area, sheets, and cost for 5 element types.→Bar Bending Schedule CalculatorBuild a BBS with cutting length, bends, hooks, laps, and weight.→Development Length / Lap Length CalculatorCalculate development length and lap splice length per IS 456.→Steel Reinforcement CalculatorCalculate rebar length, weight, and quantity.→Rebar Weight CalculatorEstimate rebar weight from diameter and length.→
🧱Material Calculators27 calculators›
PCC CalculatorEstimate cement, sand, and aggregate for PCC.→Concrete Mix Design CalculatorCalculate concrete mix materials by ratio or grade.→Concrete Cement CalculatorEstimate cement, sand, and aggregate for concrete.→Ready-Mix Concrete Order CalculatorEstimate RMC order volume, truck loads, pour time, and cost.→Cement CalculatorsExplore concrete mix, cement bags, sand, aggregate, mortar, plaster, PCC, and screed calculators.Hub9Cement Bags CalculatorCalculate cement bags, kg, and volume from mix ratio.→Aggregate CalculatorsExplore aggregate quantity, weight, density, and conversion calculators.Hub5Aggregate CalculatorCalculate aggregate volume and weight from concrete ratio.→Aggregate Density CalculatorCalculate aggregate density, void content, and specific gravity.→Aggregate Weight CalculatorCalculate aggregate weight, truck loads, and cost.→Sand CalculatorsExplore sand quantity, weight, and coverage calculators.Hub3Sand CalculatorCalculate sand volume and weight from mix ratio.→Sand Weight CalculatorCalculate sand weight, bulking, bags, loads, and cost.→Gravel CalculatorsExplore gravel weight and coverage calculators.Hub2Gravel Weight CalculatorCalculate gravel volume, weight, bags, loads, and cost.→Coverage CalculatorsExplore gravel, sand, and aggregate coverage calculators.Hub3Aggregate Coverage CalculatorCalculate aggregate coverage with compaction, brass, and concrete yield.→Sand Coverage CalculatorCalculate sand coverage, order quantity, bags, and depth.→Gravel Coverage CalculatorConvert gravel quantity, area, and depth in either direction.→Aggregate Unit ConverterConvert aggregate units using material-specific density.→Brick CalculatorCalculate the number of bricks required for wall construction.→Block CalculatorEstimate the blocks needed for wall construction.→Wall / Masonry Quantity CalculatorCalculate brick and block wall quantities with openings.→Mortar CalculatorCalculate cement and sand for mortar mix.→Compound Wall CalculatorEstimate compound wall materials, pillars, plaster, and cost.→Retaining Wall CalculatorEstimate retaining wall materials, drainage, cost, and stability.→Plaster CalculatorEstimate cement and sand for plastering.→Floor Screed CalculatorEstimate cement and sand for floor screed.→Roofing Sheet CalculatorEstimate roofing sheets, screws, ridge caps, and cost.→Asphalt Shingle Roofing CalculatorEstimate shingle bundles, underlayment, nails, and cost.→Timber / Lumber CalculatorEstimate timber piece count, board feet, and cost.→Gypsum / POP Plaster CalculatorEstimate gypsum/POP plaster powder, bags, and cost.→
🎨Finishing Calculators11 calculators›
Waterproofing CalculatorEstimate waterproofing area, material quantity, and cost.→False Ceiling CalculatorCalculate boards, channels, hangers, screws, and cost.→Tile CalculatorCalculate tiles needed for floor and wall areas.→Tile Adhesive CalculatorEstimate tile adhesive, thin-set bags, and cost.→Grout CalculatorEstimate tile grout quantity, bags, and cost.→Laminate & Vinyl Flooring CalculatorEstimate flooring boxes, underlayment, and cost.→Skirting CalculatorEstimate skirting length, pieces, boxes, and cost.→Wall Putty CalculatorEstimate wall putty quantity, bags, and cost.→Paint CalculatorEstimate paint needed for interior and exterior surfaces.→Room Paint CalculatorEstimate room paint with door/window deduction and ceiling.→Wallpaper CalculatorEstimate wallpaper rolls, pattern repeat, and cost.→
🧱Insulation & Drywall Calculators2 calculators›
🚰Plumbing8 calculators›
Septic Tank Size CalculatorEstimate septic tank capacity, sludge storage, and dimensions.→Water Tank Capacity CalculatorEstimate tank volume, fill level, liters, gallons, and fill time.→Rainwater Harvesting CalculatorEstimate roof rainwater yield, tank size, overflow, and demand coverage.→Pipe Sizing by Fixture Units CalculatorSize a water supply pipe from fixture units, demand, and velocity.→Drain Pipe Slope CalculatorCalculate fall/slope, code-minimum compliance, and DFU capacity.→Pipe Volume CalculatorCalculate pipe volume, liters per meter, quantity, and fluid weight.→Water Pump / Pressure Booster Sizing CalculatorSize a pump by Total Dynamic Head, flow rate, and horsepower.→Water Heater Sizing CalculatorSize a storage tank (FHR) or tankless (GPM/BTU) water heater.→
⚡Electrical Calculators16 calculators›
Electrical Load / Panel Size CalculatorSize a dwelling service/panel per the NEC 220.82 Optional Calculation.→Transformer kVA CalculatorSize a transformer or find full-load current, per ANSI/IEEE or IEC standard sizes.→Generator Size / Wattage CalculatorSize a generator from appliance running and starting watts.→Solar Panel Size CalculatorSize a solar array from usage and peak sun hours.→UPS / Inverter Battery Capacity CalculatorFind backup runtime, or size the battery bank you need.→Wire Size CalculatorFind the recommended AWG wire gauge from load, voltage, and length.→Voltage Drop CalculatorCheck voltage drop or solve for maximum wire run length.→Circuit Breaker Size CalculatorFind breaker size per NEC 210.20/240.6, with multi-load and GFCI/AFCI checks.→Conduit Fill CalculatorSize conduit for mixed conductors, per NEC Chapter 9.→Electrical Box Fill CalculatorCheck box fill for outlet/device/junction boxes, per NEC 314.16.→Grounding Electrode Conductor Size CalculatorSize the grounding electrode conductor per NEC Table 250.66.→Equipment Grounding Conductor Size CalculatorSize the equipment grounding conductor per NEC Table 250.122.→EV Charger Load CalculatorSize wire and breaker for an EV charger circuit.→Lighting Load CalculatorSize lighting circuits by occupancy type, per NEC 220.42.→MCA & MOCP Calculator (HVAC Circuit Sizing)Size AC/HVAC wire and breaker per NEC Article 440 MCA/MOCP.→Electricity Running Cost CalculatorFind equipment running cost per day, week, month, and year.→
🪵Framing / Lumber Calculators9 calculators›
Stud CalculatorSize wall studs, plates, and lumber for framing.→Rafter CalculatorSize roof rafters, cuts, and ridge board for framing.→Sheathing CalculatorSize OSB/plywood sheathing panels and nails.→Floor Joist CalculatorSize floor joists, rim board, and blocking.→Deck Framing CalculatorSize deck joists, ledger, beam, and posts.→Roof Truss CalculatorSize roof trusses, height, and connectors.→Hip Roof / Hip & Valley Rafter CalculatorSize hip, valley, jack, and common rafters.→Wood Stair Stringer CalculatorSize stair stringers, risers, treads, and throat depth.→Fascia & Soffit CalculatorSize fascia boards and soffit panels.→
📐Driveway & Fencing Calculators10 calculators›
Concrete Driveway CalculatorSize driveway concrete, base, rebar, and joints.→Gravel Driveway CalculatorSize driveway sub-base, base, surface gravel, fabric, and edging.→Paver Driveway CalculatorSize driveway base, bedding sand, pavers, and joint sand.→Asphalt Driveway CalculatorSize driveway base, asphalt, tack coat, and sealcoat.→Wood Fence CalculatorSize fence posts, rails, pickets, and footings.→Chain-Link Fence CalculatorSize chain-link posts, fabric rolls, rail, and footings.→Vinyl/Composite Fence CalculatorSize vinyl/composite fence posts, rails, pickets, and footings.→Wire Fence CalculatorSize farm fence T-posts, wire rolls, and H-brace materials.→Asphalt Driveway Resurfacing CalculatorSize driveway milling, overlay asphalt, and tack coat.→Fence Gate CalculatorSize gate frame, hardware, and gate posts.→
📐HVAC Calculators20 calculators›
AC & Furnace Size CalculatorSize AC tonnage and furnace BTU output/input.→Heat Pump Size CalculatorSize heat pump tonnage, balance point, and backup heat.→Mini-Split BTU CalculatorSize ductless indoor heads and connected indoor capacity.→Window/Portable AC BTU CalculatorSize a window/wall or portable room AC by BTU, plus real SACC for portables.→HVAC Airflow / Room CFM CalculatorCalculate system airflow and allocate room-by-room CFM.→Duct Size CalculatorSize duct diameter from CFM and duct category.→Static Pressure CalculatorDiagnose TESP against rated capacity, or size an available static pressure/friction rate budget.→Exhaust Fan / Range Hood CFM CalculatorSize bathroom exhaust fan or kitchen range hood CFM.→Whole-House Fan CalculatorSize a whole-house fan's CFM, attic vent NFA, and window opening.→Attic Ventilation CalculatorSize soffit intake and ridge/gable exhaust vent NFA.→Humidifier / Dehumidifier Size CalculatorSize whole-house humidifier gal/day or dehumidifier pints/day.→Evaporative Cooler CalculatorSize evaporative (swamp) cooler CFM, pad area, and a humidity suitability screening.→Boiler / Hydronic Heating CalculatorSize a hydronic boiler's Net I=B=R output or baseboard length.→Radiant Floor Heating CalculatorSize radiant floor tubing length, loop count, and a preliminary output screening.→Refrigerant Line Set CalculatorSize refrigerant line set equivalent length, capacity impact, and refrigerant charge.→Condensate Drain Line CalculatorSize condensate drain pipe diameter, flow rate, trap depth, and slope drop.→Cast-Iron Radiator EDR Sizing CalculatorSize cast-iron radiator EDR and BTU/hr output for steam or hot-water systems.→SEER Savings CalculatorCompare old vs. new AC/heat pump energy cost and payback period.→Register & Grille Sizing CalculatorSize supply register/return grille free area from CFM and velocity.→Combustion & Makeup Air Sizing CalculatorSize IFGC combustion/makeup air openings for confined gas appliance spaces.→
📐Landscaping & Garden Calculators18 calculators›
Mulch CalculatorSize mulch bags or bulk cubic yards/metres for a garden bed.→Topsoil CalculatorSize topsoil bags or bulk cubic yards/metres for a lawn, bed, or plot.→Raised Bed Soil CalculatorSplit raised bed soil volume across a mix recipe — Mel's Mix, topsoil-compost, or custom.→Sod / Turf CalculatorSize sod rolls, pallets, or metric slabs/turf rolls for a lawn.→Grass Seed & Overseeding CalculatorSize grass seed bags for a new lawn or overseeding, by species.→Lawn Fertilizer CalculatorSize lawn fertilizer bags by application scenario and N-P-K ratio.→Plant Spacing CalculatorSize plant count by spacing distance and Square/Triangular layout.→Compost CalculatorSize a brown/green compost recipe by target C:N ratio, mixed by weight.→Patio/Paver Materials CalculatorSize patio base/slab, bedding/mortar, pavers or flagstone, and joint fill.→Pond/Water-Feature Volume CalculatorSize pond volume, liner, pump GPH, and fish-stocking guideline by shape.→Irrigation Zone & Watering Runtime CalculatorSize irrigation zones, runtime per zone, and cycle-and-soak timing.→Potting Soil & Container Volume CalculatorSize potting mix and bag counts for pots, planters, boxes and baskets.→Artificial Grass / Synthetic Turf CalculatorPlan turf strips off a fixed-width roll, plus base, infill, seams and fixings.→French Drain / Land Drain Materials CalculatorSize French drain stone, pipe, geotextile and fittings, and check capacity.→Lawn Lime & Soil-pH Amendment CalculatorSize lime or sulfur for lawn soil pH, with a safe application schedule.→Drip Irrigation Line & Emitter CalculatorSize drip tubing, emitters and fittings for a real, buyable materials list.→Landscape Edging / Garden Border CalculatorSize edging rolls or units, stakes and connectors for a garden border.→Tree & Shrub Planting CalculatorSize planting holes, backfill, mulch ring and staking for trees and shrubs.→